vendor/illuminate/database/MigrationServiceProvider.php

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<?php

namespace Illuminate\Database;

use Illuminate\Support\ServiceProvider;
use Illuminate\Database\Migrations\Migrator;
use Illuminate\Contracts\Support\DeferrableProvider;
use Illuminate\Database\Migrations\MigrationCreator;
use Illuminate\Database\Migrations\DatabaseMigrationRepository;

class MigrationServiceProvider extends ServiceProvider implements DeferrableProvider
{
    /**
     * Register the service provider.
     *
     * @return void
     */
    public function register()
    {
        $this->registerRepository();

        $this->registerMigrator();

        $this->registerCreator();
    }

    /**
     * Register the migration repository service.
     *
     * @return void
     */
    protected function registerRepository()
    {
        $this->app->singleton('migration.repository', function ($app) {
            $table = $app['config']['database.migrations'];

            return new DatabaseMigrationRepository($app['db'], $table);
        });
    }

    /**
     * Register the migrator service.
     *
     * @return void
     */
    protected function registerMigrator()
    {
        // The migrator is responsible for actually running and rollback the migration
        // files in the application. We'll pass in our database connection resolver
        // so the migrator can resolve any of these connections when it needs to.
        $this->app->singleton('migrator', function ($app) {
            $repository = $app['migration.repository'];

            return new Migrator($repository, $app['db'], $app['files'], $app['events']);
        });
    }

    /**
     * Register the migration creator.
     *